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Routes
Spain
Madrid
Lozoya Somosierra
Lozoyuela-Navas-Sieteiglesias

El Atazar Reservoir – El Berrueco loop from Lozoyuela

Routes
Spain
Madrid
Lozoya Somosierra
Lozoyuela-Navas-Sieteiglesias

El Atazar Reservoir – El Berrueco loop from Lozoyuela

Hard

7

riders

El Atazar Reservoir – El Berrueco loop from Lozoyuela

03:37

43.6km

570m

Gravel riding

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: June 20, 2026

Waypoints

A

Start point

Bus stop

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1

192 m

Church of the Holy Cross in Las Navas de Buitrago

Highlight • Religious Site

The Navas of Buitrago

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2

10.1 km

Buitrago de Lozoya

Highlight • Settlement

Beautiful town in the Sierra de Madrid. The Alczar (castle), the very colorful Puente del Arrabal and the Church of Santa María del Castillo stand out.
It also has the …

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3

10.6 km

Buitrago del Lozoya Historic Town and Walls

Highlight • Historical Site

It is a unique town that preserves its complete wall, the only one in the region and declared a National Monument in 1931. Don't miss its Gothic-Mudejar style Alcázar with …

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4

11.1 km

Located on an old Muslim fortress reconquered in 1085 under the reign of Alfonso VI. The first testimonies of the castle come from the hand of Alfonso VII, who gave …

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5

15.8 km

On the banks of the Lozoya River at the beginning of the El Atazar reservoir we find this forest populated with pine, ash and Montpellier maple. Leafy, it creates a …

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6

27.9 km

Views of the Lozoya River

Highlight • Viewpoint

The Lozoya is an important tributary of the Jarama along whose 91 kilometer route six reservoirs have been built. Right at this point, the valley takes the shape of a …

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7

34.3 km

El Atazar Reservoir

Highlight • Lake

Built in 1972 and belonging to the Isabel II canal, the El Atazar reservoir is the largest in Madrid, representing 46% of the community's embalmed water. Located in a rugged …

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8

37.0 km

El Berrueco

Highlight • Settlement

El Berrueco is the typical town at the foot of the Sierra de Guadarrama full of houses and granite structures. It is a transit site attached to the Atazar reservoir …

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B

43.6 km

End point

Bus stop

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Way Types & Surfaces

Way Types

29.8 km

6.21 km

4.18 km

3.27 km

198 m

Surfaces

32.5 km

6.85 km

3.83 km

432 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (1,090 m)

Lowest point (870 m)

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Weather

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Friday 26 June

31°C

16°C

0 %

Additional weather tips

Max wind speed: 17.0 km/h

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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